8 lines
154 B
Scheme
8 lines
154 B
Scheme
#lang sicp
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(define (A x y)
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(cond ((= y 0) 0)
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((= x 0) (* 2 y))
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((= y 1) 2)
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(else (A (- x 1)
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(A x (- y 1))))))
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